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485方向切换，作为主机时，波特率115200， 

发送后延时导致从机的前几个字节接收不到，延时从1ms调整为0.1ms。
切换到接收模式不需要延时。
This commit is contained in:
Ace 2019-10-25 09:38:49 +08:00
parent 94e53c9531
commit dc7c4429fb
1 changed files with 15 additions and 2 deletions
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17
Device/SerialPort.cpp
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@ -304,9 +304,22 @@ void SerialPort::Set485(bool flag)
{
if (RS485)
{
if (!flag) Sys.Sleep(1);
if (!flag)
{
//切换到接收需要等待发送完成
//需要根据实际测试值修改
switch (this->_baudRate)
{
case 115200:
Sys.Delay(100);
break;
default:
Sys.Sleep(1);
break;
}
}
*RS485 = flag;
if (flag) Sys.Sleep(1);
/*if (flag) Sys.Sleep(1);*/
/*if(flag)
debug_printf("485 高\r\n");
else